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Side-by-side financial comparison of NATURAL GAS SERVICES GROUP INC (NGS) and NeuroPace Inc (NPCE). Click either name above to swap in a different company.

NATURAL GAS SERVICES GROUP INC is the larger business by last-quarter revenue ($46.1M vs $26.6M, roughly 1.7× NeuroPace Inc). NATURAL GAS SERVICES GROUP INC runs the higher net margin — 8.9% vs -10.3%, a 19.2% gap on every dollar of revenue. On growth, NeuroPace Inc posted the faster year-over-year revenue change (23.9% vs 13.5%). NeuroPace Inc produced more free cash flow last quarter ($409.0K vs $-20.7M).

Southern Company Gas, formerly AGL Resources, is an American Fortune 500 energy services holding company headquartered in Atlanta, Georgia. The company's operations consist of natural gas distribution, wholesale services, retail operations, and midstream operations. Southern Company Gas is one of the largest natural gas distribution companies in the United States. The company serves approximately 4.5 million utility customers through its regulated distribution subsidiaries across four states....

NeuroPace Inc is a medical technology company focused on developing and commercializing innovative implantable neurostimulation systems to treat neurological disorders, primarily drug-resistant epilepsy. Its core RNS System delivers personalized responsive stimulation to reduce seizure frequency, serving patients across North America and select global markets via partnerships with healthcare providers.

NGS vs NPCE — Head-to-Head

Bigger by revenue
NGS
NGS
1.7× larger
NGS
$46.1M
$26.6M
NPCE
Growing faster (revenue YoY)
NPCE
NPCE
+10.4% gap
NPCE
23.9%
13.5%
NGS
Higher net margin
NGS
NGS
19.2% more per $
NGS
8.9%
-10.3%
NPCE
More free cash flow
NPCE
NPCE
$21.1M more FCF
NPCE
$409.0K
$-20.7M
NGS

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
NGS
NGS
NPCE
NPCE
Revenue
$46.1M
$26.6M
Net Profit
$4.1M
$-2.7M
Gross Margin
77.4%
Operating Margin
15.4%
-6.6%
Net Margin
8.9%
-10.3%
Revenue YoY
13.5%
23.9%
Net Profit YoY
43.2%
48.0%
EPS (diluted)
$0.32
$-0.08

Green = leading value per metric. Periods may differ when fiscal calendars don't align.

8-Quarter Revenue & Profit Trend

Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.

Revenue
NGS
NGS
NPCE
NPCE
Q4 25
$46.1M
$26.6M
Q3 25
$43.4M
$27.4M
Q2 25
$41.4M
$23.5M
Q1 25
$41.4M
$22.5M
Q4 24
$40.7M
$21.5M
Q3 24
$21.1M
Q2 24
$19.3M
Q1 24
$18.1M
Net Profit
NGS
NGS
NPCE
NPCE
Q4 25
$4.1M
$-2.7M
Q3 25
$5.8M
$-3.5M
Q2 25
$5.2M
$-8.7M
Q1 25
$4.9M
$-6.6M
Q4 24
$2.9M
$-5.3M
Q3 24
$-5.5M
Q2 24
$-7.5M
Q1 24
$-8.9M
Gross Margin
NGS
NGS
NPCE
NPCE
Q4 25
77.4%
Q3 25
77.4%
Q2 25
77.1%
Q1 25
77.0%
Q4 24
75.4%
Q3 24
73.2%
Q2 24
73.4%
Q1 24
73.6%
Operating Margin
NGS
NGS
NPCE
NPCE
Q4 25
15.4%
-6.6%
Q3 25
24.8%
-9.5%
Q2 25
24.0%
-29.0%
Q1 25
23.0%
-22.9%
Q4 24
14.9%
-17.0%
Q3 24
-20.1%
Q2 24
-32.4%
Q1 24
-41.6%
Net Margin
NGS
NGS
NPCE
NPCE
Q4 25
8.9%
-10.3%
Q3 25
13.3%
-12.8%
Q2 25
12.5%
-36.8%
Q1 25
11.7%
-29.3%
Q4 24
7.0%
-24.5%
Q3 24
-25.9%
Q2 24
-39.0%
Q1 24
-49.2%
EPS (diluted)
NGS
NGS
NPCE
NPCE
Q4 25
$0.32
$-0.08
Q3 25
$0.46
$-0.11
Q2 25
$0.41
$-0.26
Q1 25
$0.38
$-0.21
Q4 24
$0.22
$-0.16
Q3 24
$-0.19
Q2 24
$-0.26
Q1 24
$-0.32

Balance Sheet & Financial Strength

Snapshot of each company's liquidity, leverage and book value from the latest quarter.

Metric
NGS
NGS
NPCE
NPCE
Cash + ST InvestmentsLiquidity on hand
$61.1M
Total DebtLower is stronger
Stockholders' EquityBook value
$274.7M
$19.0M
Total Assets
$586.8M
$105.6M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
NGS
NGS
NPCE
NPCE
Q4 25
$61.1M
Q3 25
$60.0M
Q2 25
$325.0K
$62.1M
Q1 25
$2.1M
$66.3M
Q4 24
$2.1M
$52.8M
Q3 24
$56.8M
Q2 24
$55.5M
Q1 24
$58.9M
Stockholders' Equity
NGS
NGS
NPCE
NPCE
Q4 25
$274.7M
$19.0M
Q3 25
$271.4M
$18.5M
Q2 25
$266.2M
$19.4M
Q1 25
$260.3M
$24.3M
Q4 24
$255.1M
$8.0M
Q3 24
$9.8M
Q2 24
$9.9M
Q1 24
$14.3M
Total Assets
NGS
NGS
NPCE
NPCE
Q4 25
$586.8M
$105.6M
Q3 25
$562.3M
$107.3M
Q2 25
$525.5M
$106.1M
Q1 25
$501.7M
$110.2M
Q4 24
$492.5M
$94.6M
Q3 24
$96.3M
Q2 24
$94.4M
Q1 24
$98.9M

Cash Flow & Capital Efficiency

How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.

Metric
NGS
NGS
NPCE
NPCE
Operating Cash FlowLast quarter
$13.9M
$506.0K
Free Cash FlowOCF − Capex
$-20.7M
$409.0K
FCF MarginFCF / Revenue
-44.8%
1.5%
Capex IntensityCapex / Revenue
74.9%
0.4%
Cash ConversionOCF / Net Profit
3.38×
TTM Free Cash FlowTrailing 4 quarters
$-58.6M
$-11.3M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
NGS
NGS
NPCE
NPCE
Q4 25
$13.9M
$506.0K
Q3 25
$16.8M
$-1.9M
Q2 25
$11.0M
$-2.1M
Q1 25
$21.3M
$-7.5M
Q4 24
$9.4M
$-4.8M
Q3 24
$-1.7M
Q2 24
$-3.9M
Q1 24
$-7.5M
Free Cash Flow
NGS
NGS
NPCE
NPCE
Q4 25
$-20.7M
$409.0K
Q3 25
$-25.1M
$-2.0M
Q2 25
$-14.8M
$-2.3M
Q1 25
$2.0M
$-7.5M
Q4 24
$-5.1M
$-4.8M
Q3 24
$-1.8M
Q2 24
$-4.0M
Q1 24
$-7.6M
FCF Margin
NGS
NGS
NPCE
NPCE
Q4 25
-44.8%
1.5%
Q3 25
-57.7%
-7.2%
Q2 25
-35.8%
-9.6%
Q1 25
4.9%
-33.4%
Q4 24
-12.6%
-22.5%
Q3 24
-8.7%
Q2 24
-20.6%
Q1 24
-42.1%
Capex Intensity
NGS
NGS
NPCE
NPCE
Q4 25
74.9%
0.4%
Q3 25
96.5%
0.1%
Q2 25
62.4%
0.7%
Q1 25
46.5%
0.2%
Q4 24
35.8%
0.2%
Q3 24
0.5%
Q2 24
0.3%
Q1 24
0.6%
Cash Conversion
NGS
NGS
NPCE
NPCE
Q4 25
3.38×
Q3 25
2.90×
Q2 25
2.12×
Q1 25
4.38×
Q4 24
3.29×
Q3 24
Q2 24
Q1 24

Financial Flow Comparison

Revenue → gross profit → operating profit → net profit for each company.

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